100 Labyrinth 50x50 + 100 Slaughtering Samurai + 50 Mega Hidoku 20x20 Very hard: - 250 logical puzzles - Word SUDOKU - Large Print + Solutions + bonus 250 classic killer sudoku puzzles Octagon Star - levels very hard - 9 x 9

- 250 extra puzzles + surprise in 250 classic killer Octagon Star sudoku very hard levels (need to download and print)- all riddles have only one verified solution- 2 puzzles on 1 page, very practical and convenient- a lot of free space for the progress of your thoughts- good mind support in excellent form- large font- develops memory, logical thinking, helps to focus- creative possibilities are expandingIdeal gift for all fans of puzzles. An excellent book for free time and learning of the...